Table 4. Univariate Regression Coefficient Estimates Between Practice-based Research Network (PBRN) Characteristics, Research Experiences, and Community Engagement Strategy Implementation (N = 68)
PBRN Characteristicsβ
PBRN age (years)
Number of publications0.21
Number of grants−0.34
Geographic population served
    Urban only−2.11
    Rural only1.27
    Both rural and urbanReference
Racial communities specifically targeted for research in the past 5 years*
    Multiple racial/ethnic communities3.41
    Single community2.63
How difficult is it to recruit from diverse racial/ethnic communities for research?
    Difficult or very difficult−3.57
    Don't know/not applicable−3.09
    Not or somewhat difficultReference
How difficult is it to retain participants from diverse racial/ethnic communities through the duration of the research project?
    Difficult or very difficult−3.39
    Don't know/not applicable−4.75
    Not or somewhat difficultReference
Number of special populations specifically targeted*1.75
PBRN has a community advisory board3.19
PBRN is affiliated with a university−0.59
BPRN is affiliated with a Clinical Translational Science Award*2.77
Planning scale§0.80
Capacity scale0.55
  • * Response categories are not mutually exclusive.

  • P < .20 is the criteria used for inclusion in multivariate analysis.

  • Data obtained from the 2011 Agency for Health care Research and Quality PBRN Resource Center Registry; all other data were obtained from the PRIME Net Survey of PBRN directors.

  • § How often does your network plan each activity?

  • Rate your network's capacity to perform each activity.